HelpWithAssignment Blog

Maths shortcut

Here’s a collection of time-saving math shortcuts, great for back-of-the-envelope estimates Shortcut to multiplication Square Number Tips 1: 2 Digit Number which ends in 5 Step1: Multiply the first digit of number, with the next to its number. Ex: 45 is the number you want to square. 4 x 5 = 20 Step2: Finally add 25 at the end of the result. Answer=2025 Tips 2: Any 2 D [...]